﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Bai05_C_sharp
{
    class CRectangle
    {
        int x, y;
        public void setValues(int a, int b) {
            x = a;
            y = b;
        }
        public int area() {
            return (x * y);    
        }
 
    }
}
